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Finding the Fourth Proportional to 341,511.72, 471,283.62 and 188,549.88

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Solution

The fourth proportional to 341,511.72, 471,283.62 and 188,549.88 is: 260,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,511.72 : 471,283.62 = 188,549.88 : x
  2. Step 2: Convert to fraction form
    341,511.72/471,283.62 = 188,549.88/x
  3. Step 3: Cross multiply
    341,511.72x = 471,283.62 × 188,549.88
  4. Step 4: Simplify right side
    341,511.72x = 88,860,469,996.97
  5. Step 5: Solve for x
    x = 88,860,469,996.97/341,511.72
  6. Step 6: Final answer
    x = 260,197.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.